package com.ktjy.ktmall.util;

import java.util.Random;

/**
 * @version v1.0
 * @Author 郴州科泰
 * @Create 2024-08-07 - 20:35
 */
public class CharUtils {

    public static String getRandomString(int length) {
        //定义一个字符串(A-Z，a-z，0-9)即62位；
        String str = "zxcvbnmlkjhgfdsaqwertyuiopQWERTYUIOPASDFGHJKLZXCVBNM1234567890";
        //由Random生成随机数
        Random random = new Random();
        StringBuffer sb = new StringBuffer();
        //长度为几就循环几次
        for (int i = 0; i < length; i++) {
            //产生0-61的数字
            int number = random.nextInt(62);
            //将产生的数字通过length次承载到sb中
            sb.append(str.charAt(number));
        }
        //将承载的字符转换成字符串
        return sb.toString();
    }
}
